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aseprite/src/app/commands/cmd_layer_properties.cpp
2016-08-25 17:59:00 -03:00

324 lines
8.4 KiB
C++

// Aseprite
// Copyright (C) 2001-2016 David Capello
//
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License version 2 as
// published by the Free Software Foundation.
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "app/app.h"
#include "app/cmd/set_layer_blend_mode.h"
#include "app/cmd/set_layer_name.h"
#include "app/cmd/set_layer_opacity.h"
#include "app/cmd/set_user_data.h"
#include "app/commands/command.h"
#include "app/console.h"
#include "app/context_access.h"
#include "app/modules/gui.h"
#include "app/transaction.h"
#include "app/ui/timeline.h"
#include "app/ui/user_data_popup.h"
#include "app/ui_context.h"
#include "base/bind.h"
#include "base/scoped_value.h"
#include "doc/document.h"
#include "doc/document_event.h"
#include "doc/image.h"
#include "doc/layer.h"
#include "doc/sprite.h"
#include "doc/user_data.h"
#include "ui/ui.h"
#include "layer_properties.xml.h"
namespace app {
using namespace ui;
class LayerPropertiesCommand : public Command {
public:
LayerPropertiesCommand();
Command* clone() const override { return new LayerPropertiesCommand(*this); }
protected:
bool onEnabled(Context* context) override;
void onExecute(Context* context) override;
};
class LayerPropertiesWindow;
static LayerPropertiesWindow* g_window = nullptr;
class LayerPropertiesWindow : public app::gen::LayerProperties
, public doc::ContextObserver
, public doc::DocumentObserver {
public:
LayerPropertiesWindow()
: m_timer(250, this)
, m_layer(nullptr)
, m_selfUpdate(false) {
name()->setMinSize(gfx::Size(128, 0));
name()->setExpansive(true);
mode()->addItem("Normal");
mode()->addItem("Multiply");
mode()->addItem("Screen");
mode()->addItem("Overlay");
mode()->addItem("Darken");
mode()->addItem("Lighten");
mode()->addItem("Color Dodge");
mode()->addItem("Color Burn");
mode()->addItem("Hard Light");
mode()->addItem("Soft Light");
mode()->addItem("Difference");
mode()->addItem("Exclusion");
mode()->addItem("Hue");
mode()->addItem("Saturation");
mode()->addItem("Color");
mode()->addItem("Luminosity");
name()->Change.connect(base::Bind<void>(&LayerPropertiesWindow::onStartTimer, this));
mode()->Change.connect(base::Bind<void>(&LayerPropertiesWindow::onStartTimer, this));
opacity()->Change.connect(base::Bind<void>(&LayerPropertiesWindow::onStartTimer, this));
m_timer.Tick.connect(base::Bind<void>(&LayerPropertiesWindow::onCommitChange, this));
userData()->Click.connect(base::Bind<void>(&LayerPropertiesWindow::onPopupUserData, this));
remapWindow();
centerWindow();
load_window_pos(this, "LayerProperties");
UIContext::instance()->addObserver(this);
}
~LayerPropertiesWindow() {
UIContext::instance()->removeObserver(this);
}
void setLayer(Layer* layer) {
if (m_layer) {
document()->removeObserver(this);
m_layer = nullptr;
}
m_timer.stop();
m_layer = layer;
if (m_layer)
document()->addObserver(this);
updateFromLayer();
}
private:
app::Document* document() {
ASSERT(m_layer);
if (m_layer)
return static_cast<app::Document*>(m_layer->sprite()->document());
else
return nullptr;
}
std::string nameValue() const {
return name()->text();
}
BlendMode blendModeValue() const {
return (BlendMode)mode()->getSelectedItemIndex();
}
int opacityValue() const {
return opacity()->getValue();
}
bool onProcessMessage(ui::Message* msg) override {
switch (msg->type()) {
case kKeyDownMessage:
if (name()->hasFocus() ||
opacity()->hasFocus() ||
mode()->hasFocus()) {
if (static_cast<KeyMessage*>(msg)->scancode() == kKeyEnter) {
onCommitChange();
closeWindow(this);
return true;
}
}
break;
case kCloseMessage:
// Save changes before we close the window
setLayer(nullptr);
save_window_pos(this, "LayerProperties");
deferDelete();
g_window = nullptr;
break;
}
return Window::onProcessMessage(msg);
}
void onStartTimer() {
if (m_selfUpdate)
return;
m_timer.start();
}
void onCommitChange() {
base::ScopedValue<bool> switchSelf(m_selfUpdate, true, false);
m_timer.stop();
std::string newName = nameValue();
int newOpacity = opacityValue();
BlendMode newBlendMode = blendModeValue();
if (newName != m_layer->name() ||
m_userData != m_layer->userData() ||
(m_layer->isImage() &&
(newOpacity != static_cast<LayerImage*>(m_layer)->opacity() ||
newBlendMode != static_cast<LayerImage*>(m_layer)->blendMode()))) {
try {
ContextWriter writer(UIContext::instance());
Transaction transaction(writer.context(), "Set Layer Properties");
if (newName != m_layer->name())
transaction.execute(new cmd::SetLayerName(writer.layer(), newName));
if (m_userData != m_layer->userData())
transaction.execute(new cmd::SetUserData(writer.layer(), m_userData));
if (m_layer->isImage()) {
if (newOpacity != static_cast<LayerImage*>(m_layer)->opacity())
transaction.execute(new cmd::SetLayerOpacity(static_cast<LayerImage*>(writer.layer()), newOpacity));
if (newBlendMode != static_cast<LayerImage*>(m_layer)->blendMode())
transaction.execute(new cmd::SetLayerBlendMode(static_cast<LayerImage*>(writer.layer()), newBlendMode));
}
// Redraw timeline because the layer's name/user data/color
// might have changed.
App::instance()->timeline()->invalidate();
transaction.commit();
}
catch (const std::exception& e) {
Console::showException(e);
}
update_screen_for_document(document());
}
}
// ContextObserver impl
void onActiveSiteChange(const Site& site) override {
if (isVisible())
setLayer(const_cast<Layer*>(site.layer()));
else if (m_layer)
setLayer(nullptr);
}
// DocumentObserver impl
void onLayerNameChange(DocumentEvent& ev) override {
if (m_layer == ev.layer())
updateFromLayer();
}
void onLayerOpacityChange(DocumentEvent& ev) override {
if (m_layer == ev.layer())
updateFromLayer();
}
void onLayerBlendModeChange(DocumentEvent& ev) override {
if (m_layer == ev.layer())
updateFromLayer();
}
void onPopupUserData() {
if (m_layer) {
m_userData = m_layer->userData();
if (show_user_data_popup(userData()->bounds(), m_userData)) {
onCommitChange();
}
}
}
void updateFromLayer() {
if (m_selfUpdate)
return;
m_timer.stop(); // Cancel current editions (just in case)
base::ScopedValue<bool> switchSelf(m_selfUpdate, true, false);
if (m_layer) {
name()->setText(m_layer->name().c_str());
name()->setEnabled(true);
if (m_layer->isImage()) {
mode()->setSelectedItemIndex((int)static_cast<LayerImage*>(m_layer)->blendMode());
mode()->setEnabled(!m_layer->isBackground());
opacity()->setValue(static_cast<LayerImage*>(m_layer)->opacity());
opacity()->setEnabled(!m_layer->isBackground());
}
else {
mode()->setEnabled(false);
opacity()->setEnabled(false);
}
m_userData = m_layer->userData();
}
else {
name()->setText("No Layer");
name()->setEnabled(false);
mode()->setEnabled(false);
opacity()->setEnabled(false);
m_userData = UserData();
}
}
Timer m_timer;
Layer* m_layer;
bool m_selfUpdate;
UserData m_userData;
};
LayerPropertiesCommand::LayerPropertiesCommand()
: Command("LayerProperties",
"Layer Properties",
CmdRecordableFlag)
{
}
bool LayerPropertiesCommand::onEnabled(Context* context)
{
return context->checkFlags(ContextFlags::ActiveDocumentIsWritable |
ContextFlags::HasActiveLayer);
}
void LayerPropertiesCommand::onExecute(Context* context)
{
ContextReader reader(context);
LayerImage* layer = static_cast<LayerImage*>(reader.layer());
if (!g_window)
g_window = new LayerPropertiesWindow;
g_window->setLayer(layer);
g_window->openWindow();
// Focus layer name
g_window->name()->requestFocus();
}
Command* CommandFactory::createLayerPropertiesCommand()
{
return new LayerPropertiesCommand;
}
} // namespace app